Specifications

Page 38
Purpose:
Measuring
Instrument
Test Point
Measuring
Range
Input Signal
Ext. Trigger
Input Terminal
Symptom:
Purpose
Measuring
Instrument
Test Point
Measuring
Range
Input Signal
Ext. Trigger
Input Terminal
Symptom:
MODELS: WT-46807 / WS-55807 / WS-55857 / WS-55907 /WS-65807 / WS-65857 / WS-65907 / WS-73907
To improve edge focus.
Poor focus at the edges of the screen.
[Focus Circuit]
13. Dynamic Focus Preset
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Monoscope
Video Input
1. Supply a Monoscope signal to a Video Input
2. Activate the Convergence Mode.
3. Select the DF Function under the Conv. Coarse Mode.
4. Set Items “0 DFH” and “1 DFV” to the data values given in the Table.
5. Exit the Conv. Mode.
DF
Item # Abbrev. Data
0 DFH 175
1 DFV 100
CONVERGENCE MODE
Activate ……..MENU-8-2-5-9
Misc. ……………….……"6"
Coarse………………..…."5"
Fine ……………………..."4"
Color (R,G or B)……AUDIO
Item No………….…..VIDEO
Ad
j
ust/Move……….ADJUST
Cursor To
gg
le….…..ENTER
Save & Exit…..MENU (twice)
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Monscope
Video Input
[CRT Circuit]
14. Electrostatic Focus
To set electrostatic focus to the optimum point.
Poor focus.
Note: This adjustment must be performed after the Sub Contrast adjustment.
1. Supply a Monoscope signal to a Video Input
2. Activate A/V Reset
3. Select Red, Green or Blue rasters using the table below.
3. Set the Red, Green and Blue Focus VRs for optimum focus at the top center of
the picture..
Raster Color Selection
Color Raster Activation Code
Red MENU-8-2-5-9-1
Green MENU-8-2-5-9-2
Blue MENU-8-2-5-9-3